Invoked to inform the receiver that editor has uncommitted changes that can affect the receiver.
Original signature is '- (void)objectDidBeginEditing:(id)editor'
Available in Mac OS X v10.3 and later.


- editor (Id)
- MISSING

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)